/* Generic code for supporting multiple C++ ABI's
- Copyright (C) 2001, 2002, 2003, 2005, 2006, 2007
- Free Software Foundation, Inc.
+ Copyright (C) 2001-2013 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "value.h"
#include "cp-abi.h"
#include "command.h"
+#include "exceptions.h"
#include "gdbcmd.h"
#include "ui-out.h"
-
+#include "gdb_assert.h"
#include "gdb_string.h"
static struct cp_abi_ops *find_cp_abi (const char *short_name);
}
int
-baseclass_offset (struct type *type, int index, const bfd_byte *valaddr,
- CORE_ADDR address)
+baseclass_offset (struct type *type, int index, const gdb_byte *valaddr,
+ int embedded_offset, CORE_ADDR address,
+ const struct value *val)
{
- if (current_cp_abi.baseclass_offset == NULL)
- error (_("ABI doesn't define required function baseclass_offset"));
- return (*current_cp_abi.baseclass_offset) (type, index, valaddr, address);
+ volatile struct gdb_exception ex;
+ int res = 0;
+
+ gdb_assert (current_cp_abi.baseclass_offset != NULL);
+
+ TRY_CATCH (ex, RETURN_MASK_ERROR)
+ {
+ res = (*current_cp_abi.baseclass_offset) (type, index, valaddr,
+ embedded_offset,
+ address, val);
+ }
+
+ if (ex.reason < 0 && ex.error == NOT_AVAILABLE_ERROR)
+ throw_error (NOT_AVAILABLE_ERROR,
+ _("Cannot determine virtual baseclass offset "
+ "of incomplete object"));
+ else if (ex.reason < 0)
+ throw_exception (ex);
+ else
+ return res;
}
struct value *
-value_virtual_fn_field (struct value **arg1p, struct fn_field *f, int j,
+value_virtual_fn_field (struct value **arg1p,
+ struct fn_field *f, int j,
struct type *type, int offset)
{
if ((current_cp_abi.virtual_fn_field) == NULL)
return NULL;
- return (*current_cp_abi.virtual_fn_field) (arg1p, f, j, type, offset);
+ return (*current_cp_abi.virtual_fn_field) (arg1p, f, j,
+ type, offset);
}
struct type *
-value_rtti_type (struct value *v, int *full, int *top, int *using_enc)
+value_rtti_type (struct value *v, int *full,
+ int *top, int *using_enc)
{
+ struct type *ret = NULL;
+ volatile struct gdb_exception e;
+
if ((current_cp_abi.rtti_type) == NULL)
return NULL;
- return (*current_cp_abi.rtti_type) (v, full, top, using_enc);
+ TRY_CATCH (e, RETURN_MASK_ERROR)
+ {
+ ret = (*current_cp_abi.rtti_type) (v, full, top, using_enc);
+ }
+ if (e.reason < 0)
+ return NULL;
+ return ret;
}
void
-cplus_print_method_ptr (const gdb_byte *contents, struct type *type,
+cplus_print_method_ptr (const gdb_byte *contents,
+ struct type *type,
struct ui_file *stream)
{
if (current_cp_abi.print_method_ptr == NULL)
}
int
-cplus_method_ptr_size (void)
+cplus_method_ptr_size (struct type *to_type)
{
if (current_cp_abi.method_ptr_size == NULL)
error (_("GDB does not support pointers to methods on this target"));
- return (*current_cp_abi.method_ptr_size) ();
+ return (*current_cp_abi.method_ptr_size) (to_type);
}
void
-cplus_make_method_ptr (gdb_byte *contents, CORE_ADDR value, int is_virtual)
+cplus_make_method_ptr (struct type *type, gdb_byte *contents,
+ CORE_ADDR value, int is_virtual)
{
if (current_cp_abi.make_method_ptr == NULL)
error (_("GDB does not support pointers to methods on this target"));
- (*current_cp_abi.make_method_ptr) (contents, value, is_virtual);
+ (*current_cp_abi.make_method_ptr) (type, contents, value, is_virtual);
+}
+
+CORE_ADDR
+cplus_skip_trampoline (struct frame_info *frame,
+ CORE_ADDR stop_pc)
+{
+ if (current_cp_abi.skip_trampoline == NULL)
+ return 0;
+ return (*current_cp_abi.skip_trampoline) (frame, stop_pc);
}
struct value *
-cplus_method_ptr_to_value (struct value **this_p, struct value *method_ptr)
+cplus_method_ptr_to_value (struct value **this_p,
+ struct value *method_ptr)
{
if (current_cp_abi.method_ptr_to_value == NULL)
error (_("GDB does not support pointers to methods on this target"));
return (*current_cp_abi.method_ptr_to_value) (this_p, method_ptr);
}
+/* See cp-abi.h. */
+
+void
+cplus_print_vtable (struct value *value)
+{
+ if (current_cp_abi.print_vtable == NULL)
+ error (_("GDB cannot print the vtable on this target"));
+ (*current_cp_abi.print_vtable) (value);
+}
+
+int
+cp_pass_by_reference (struct type *type)
+{
+ if ((current_cp_abi.pass_by_reference) == NULL)
+ return 0;
+ return (*current_cp_abi.pass_by_reference) (type);
+}
+
/* Set the current C++ ABI to SHORT_NAME. */
static int
{
if (num_cp_abis == CP_ABI_MAX)
internal_error (__FILE__, __LINE__,
- _("Too many C++ ABIs, please increase CP_ABI_MAX in cp-abi.c"));
+ _("Too many C++ ABIs, please increase "
+ "CP_ABI_MAX in cp-abi.c"));
cp_abis[num_cp_abis++] = abi;
auto_cp_abi = *abi;
auto_cp_abi.shortname = "auto";
- xasprintf (&new_longname, "currently \"%s\"", abi->shortname);
+ new_longname = xstrprintf ("currently \"%s\"", abi->shortname);
auto_cp_abi.longname = new_longname;
- xasprintf (&new_doc, "Automatically selected; currently \"%s\"",
+ new_doc = xstrprintf ("Automatically selected; currently \"%s\"",
abi->shortname);
auto_cp_abi.doc = new_doc;
static void
list_cp_abis (int from_tty)
{
+ struct ui_out *uiout = current_uiout;
struct cleanup *cleanup_chain;
int i;
- ui_out_text (uiout, "The available C++ ABIs are:\n");
- cleanup_chain = make_cleanup_ui_out_tuple_begin_end (uiout, "cp-abi-list");
+ ui_out_text (uiout, "The available C++ ABIs are:\n");
+ cleanup_chain = make_cleanup_ui_out_tuple_begin_end (uiout,
+ "cp-abi-list");
for (i = 0; i < num_cp_abis; i++)
{
char pad[14];
static void
show_cp_abi_cmd (char *args, int from_tty)
{
+ struct ui_out *uiout = current_uiout;
+
ui_out_text (uiout, "The currently selected C++ ABI is \"");
ui_out_field_string (uiout, "cp-abi", current_cp_abi.shortname);
&setlist);
add_cmd ("cp-abi", class_obscure, show_cp_abi_cmd,
- _("Show the ABI used for inspecting C++ objects."), &showlist);
+ _("Show the ABI used for inspecting C++ objects."),
+ &showlist);
}
projects / deliverable / binutils-gdb.git / blobdiff